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Off-grid solar, explained simply.

Panels, batteries, inverter, generator: figure out what you need for your project.

During the day, the panels make electricity. The controller fills the batteries, and your devices take what they need along the way. Batteries : filling.

time
12:30
solar
1590 W
generator
0 W
use
70 W
batteries
85 %
Panels1590 WControllerBatteriesInverterDevicesOFFGenerator+ charger

Where to start?

  • Understand

    The six parts of a system, what each one does, and the mistake everyone makes.

    How it works

  • Calculate

    Your complete system: panels, batteries, inverter and generator, with what it costs.

    Based on:

    • your location
    • where you install your panels (roof, ground, shade)
    • what your devices use
    • the real weather for the spot, month by month
    Summer cabin · LaurentiansExample

    1,600 W

    of panels · 2.6 kWh of batteries

    Open the calculator Free, no sign-up.

    A specific question about a battery or charging? All 11 tools

  • Choose

    What to look at before you buy, part by part, and the traps to avoid.

    Buying guides